523423206 has 24 divisors (see below), whose sum is σ = 1136178264. Its totient is φ = 174152160.

The previous prime is 523423193. The next prime is 523423223. The reversal of 523423206 is 602324325.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 523423206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16735 + ... + 36426.

It is an arithmetic number, because the mean of its divisors is an integer number (47340761).

Almost surely, 2^523423206 is an apocalyptic number.

523423206 is an abundant number, since it is smaller than the sum of its proper divisors (612755058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523423206 is a wasteful number, since it uses less digits than its factorization.

523423206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53716 (or 53713 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 523423206 is about 22878.4441341626. Note that the first 3 decimals coincide. The cubic root of 523423206 is about 805.9058798983.

The spelling of 523423206 in words is "five hundred twenty-three million, four hundred twenty-three thousand, two hundred six".